Question

Find the sum and the rate of simple interest if it amounts to rupees 7200 in 5 years and to rupees 8064 in 8 years.



Ulta Sidha and mat dena warna ​

Answer 1

Answer:

5%

Step-by-step explanation:

Interest of 3 year =8064-7200=864

Interest of 1 year =864/3=288

Interest for 3 year =288*5=1440

principal=7200-1440=5760

Rate=S.I.*100/P*T

1440*100/5760*5=

5%

Answer 2

Answer:

Princple=17,280

Rate of interest =8.3%